286648650138 has 8 divisors (see below), whose sum is σ = 573297300288. Its totient is φ = 95549550044.

The previous prime is 286648650107. The next prime is 286648650157. The reversal of 286648650138 is 831056846682.

It is a sphenic number, since it is the product of 3 distinct primes.

286648650138 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23887387506 + ... + 23887387517.

It is an arithmetic number, because the mean of its divisors is an integer number (71662162536).

Almost surely, 2^286648650138 is an apocalyptic number.

286648650138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

286648650138 is a wasteful number, since it uses less digits than its factorization.

286648650138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47774775028.

The product of its (nonzero) digits is 13271040, while the sum is 57.

The spelling of 286648650138 in words is "two hundred eighty-six billion, six hundred forty-eight million, six hundred fifty thousand, one hundred thirty-eight".